205903178

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{457}}^1$

素因数の和:559

約数の個数: 48

約数和(自身を含む): 354030336

約数和(自身を除く): 148127158

約数列:

[1, 2, 13, 26, 31, 43, 62, 86, 169, 338, 403, 457, 559, 806, 914, 1118, 1333, 2666, 5239, 5941, 7267, 10478, 11882, 14167, 14534, 17329, 19651, 28334, 34658, 39302, 77233, 154466, 184171, 225277, 255463, 368342, 450554, 510926, 609181, 1218362, 2394223, 3321019, 4788446, 6642038, 7919353, 15838706, 102951589, 205903178]

約数ペア:

[(1, 205903178), (2, 102951589), (13, 15838706), (26, 7919353), (31, 6642038), (43, 4788446), (62, 3321019), (86, 2394223), (169, 1218362), (338, 609181), (403, 510926), (457, 450554), (559, 368342), (806, 255463), (914, 225277), (1118, 184171), (1333, 154466), (2666, 77233), (5239, 39302), (5941, 34658), (7267, 28334), (10478, 19651), (11882, 17329), (14167, 14534)]